165791720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{227}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 407527200

約数和(自身を除く): 241735480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 227, 248, 310, 380, 454, 589, 620, 760, 908, 961, 1135, 1178, 1240, 1816, 1922, 2270, 2356, 2945, 3844, 4313, 4540, 4712, 4805, 5890, 7037, 7688, 8626, 9080, 9610, 11780, 14074, 17252, 18259, 19220, 21565, 23560, 28148, 34504, 35185, 36518, 38440, 43130, 56296, 70370, 73036, 86260, 91295, 133703, 140740, 146072, 172520, 182590, 218147, 267406, 281480, 365180, 436294, 534812, 668515, 730360, 872588, 1069624, 1090735, 1337030, 1745176, 2181470, 2674060, 4144793, 4362940, 5348120, 8289586, 8725880, 16579172, 20723965, 33158344, 41447930, 82895860, 165791720]

約数ペア:

[(1, 165791720), (2, 82895860), (4, 41447930), (5, 33158344), (8, 20723965), (10, 16579172), (19, 8725880), (20, 8289586), (31, 5348120), (38, 4362940), (40, 4144793), (62, 2674060), (76, 2181470), (95, 1745176), (124, 1337030), (152, 1090735), (155, 1069624), (190, 872588), (227, 730360), (248, 668515), (310, 534812), (380, 436294), (454, 365180), (589, 281480), (620, 267406), (760, 218147), (908, 182590), (961, 172520), (1135, 146072), (1178, 140740), (1240, 133703), (1816, 91295), (1922, 86260), (2270, 73036), (2356, 70370), (2945, 56296), (3844, 43130), (4313, 38440), (4540, 36518), (4712, 35185), (4805, 34504), (5890, 28148), (7037, 23560), (7688, 21565), (8626, 19220), (9080, 18259), (9610, 17252), (11780, 14074)]